feat: add OpenAI OAuth, strict model overrides, and Gmail pull mode

src/cli/index.ts

@@ -18,6 +18,7 @@ import { registerGcalAuthCommand } from './gcal-auth.js';
 import { registerGdocsAuthCommand } from './gdocs-auth.js';
 import { registerGdriveAuthCommand } from './gdrive-auth.js';
 import { registerGtasksAuthCommand } from './gtasks-auth.js';
+import { registerOpenaiAuthCommand } from './openai-auth.js';
 import { registerSkillsCommand } from './skills.js';
 
 export function createProgram(): Command {
@@ -41,6 +42,7 @@ export function createProgram(): Command {
   registerGdocsAuthCommand(program);
   registerGdriveAuthCommand(program);
   registerGtasksAuthCommand(program);
+  registerOpenaiAuthCommand(program);
   registerSkillsCommand(program);
 
   return program;